Or (shortened);elam {ay-lawm'}; or (feminine) ielammah {ay-lam-maw'}; probably from 'ayil; a pillar-space (or colonnade), i.e. A pale (or portico) -- arch.
KJV: And there were narrow windows to the little chambers, and to their posts within the gate round about, and likewise to the arches: and windows were round about inward: and upon each post were palm trees.
NASB: There were shuttered windows looking toward the guardrooms, and toward their side pillars within the gate all around, and likewise for the porches. And there were windows all around inside; and on each side pillar were palm tree ornaments.
KJV: And the little chambers thereof were three on this side and three on that side; and the posts thereof and the arches thereof were after the measure of the first gate: the length thereof was fifty cubits, and the breadth five and twenty cubits.
NASB: It had three guardrooms on each side; and its side pillars and its porches had the same measurement as the first gate. Its length was fifty cubits and the width twenty-five cubits.
KJV: And their windows, and their arches, and their palm trees, were after the measure of the gate that looketh toward the east; and they went up unto it by seven steps; and the arches thereof were before them.
NASB: Its windows and its porches and its palm tree ornaments had the same measurements as the gate which faced toward the east; and it was reached by seven steps, and its porch was in front of them.
KJV: After that he brought me toward the south, and behold a gate toward the south: and he measured the posts thereof and the arches thereof according to these measures.
NASB: Then he led me toward the south, and behold, there was a gate toward the south; and he measured its side pillars and its porches according to those same measurements.